thirty
adjective
three times ten
noun pl. thirties
- the cardinal number between twenty-nine and thirty-one; 30; XXX
- ☆ this number used to signify the end of a dispatch, story, etc., as for a newspaper
See thirty in American Heritage Dictionary 4
(thûrˈtē)
noun pl. thir·ties - The cardinal number equal to 3 × 10.
- thirties
a. A decade or the numbers from 30 to 39: They settled down in their thirties. The temperature fell into the thirties.
b. often Thirties The decade from 30 to 39 in a century.
- An indication of the end of a news story, usually written 30.
- Sports The second point that is scored by one side in tennis.
Related Forms:
- thirˈty adjective & pron.
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